Real-time comparison of a number of predictive controllers

M. Abu-Ayyad, R. Dubay

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Many model predictive control (MPC) algorithms have been proposed in the literature depending on the conditionality of the system matrix and the choice of its cost-function. This paper presents the newer MPC schemes such as extended predictive control (EPC) and shifted MPC as well as other well known forms. The control performance of these controllers are compared using two systems that are slow and fast reacting. The closed-loop responses are compared and the differences and similarities are explained on the basis of the structure of the control schemes. Disturbance rejection and the tracking of various setpoint trajectories are performed with good closed-loop results from all the controllers. It was found that the controllers that were specifically designed to reduce the system matrix ill-conditionality such as EPC and generalized predictive control provided better control performance when compared to other MPC methods.

Original languageEnglish (US)
Pages (from-to)411-418
Number of pages8
JournalISA Transactions
Volume46
Issue number3
DOIs
StatePublished - Jun 2007

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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